Cigarette lighter



FIG. 1 is a perspective view of a cigarette lighter showing my new design;

FIG. 2 is a front elevational view thereof the rear being a mirror image;

FIG. 3 is a side view thereof; and

FIG. 4 is a bottom view of the cigarette lighter shown in FIG. 1. 

The ornamental design for a cigarette lighter, as shown and described. 